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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /storage/mozStorageStatementRow.cpp
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'storage/mozStorageStatementRow.cpp')
-rw-r--r--storage/mozStorageStatementRow.cpp152
1 files changed, 152 insertions, 0 deletions
diff --git a/storage/mozStorageStatementRow.cpp b/storage/mozStorageStatementRow.cpp
new file mode 100644
index 0000000000..7d203d7513
--- /dev/null
+++ b/storage/mozStorageStatementRow.cpp
@@ -0,0 +1,152 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
+ * vim: sw=2 ts=2 et lcs=trail\:.,tab\:>~ :
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "nsString.h"
+
+#include "mozilla/ErrorResult.h"
+#include "mozilla/dom/MozStorageStatementRowBinding.h"
+#include "mozStorageStatementRow.h"
+#include "mozStorageStatement.h"
+
+#include "jsapi.h"
+#include "js/Array.h" // JS::NewArrayObject
+#include "js/PropertyAndElement.h" // JS_DefineElement
+#include "js/Value.h"
+
+#include "xpc_make_class.h"
+
+namespace mozilla {
+namespace storage {
+
+////////////////////////////////////////////////////////////////////////////////
+//// StatementRow
+
+NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(StatementRow, mWindow)
+
+NS_INTERFACE_TABLE_HEAD(StatementRow)
+ NS_WRAPPERCACHE_INTERFACE_TABLE_ENTRY
+ NS_INTERFACE_TABLE(StatementRow, nsISupports)
+ NS_INTERFACE_TABLE_TO_MAP_SEGUE_CYCLE_COLLECTION(StatementRow)
+NS_INTERFACE_MAP_END
+
+NS_IMPL_CYCLE_COLLECTING_ADDREF(StatementRow)
+NS_IMPL_CYCLE_COLLECTING_RELEASE(StatementRow)
+
+StatementRow::StatementRow(nsPIDOMWindowInner* aWindow, Statement* aStatement)
+ : mWindow(aWindow), mStatement(aStatement) {}
+
+JSObject* StatementRow::WrapObject(JSContext* aCx,
+ JS::Handle<JSObject*> aGivenProto) {
+ return dom::MozStorageStatementRow_Binding::Wrap(aCx, this, aGivenProto);
+}
+
+void StatementRow::NamedGetter(JSContext* aCx, const nsAString& aName,
+ bool& aFound,
+ JS::MutableHandle<JS::Value> aResult,
+ mozilla::ErrorResult& aRv) {
+ if (!mStatement) {
+ aRv.Throw(NS_ERROR_NOT_INITIALIZED);
+ return;
+ }
+
+ nsCString name = NS_ConvertUTF16toUTF8(aName);
+
+ uint32_t idx;
+ {
+ nsresult rv = mStatement->GetColumnIndex(name, &idx);
+ if (NS_FAILED(rv)) {
+ // It's highly likely that the name doesn't exist, so let the JS engine
+ // check the prototype chain and throw if that doesn't have the property
+ // either.
+ aFound = false;
+ return;
+ }
+ }
+
+ int32_t type;
+ aRv = mStatement->GetTypeOfIndex(idx, &type);
+ if (aRv.Failed()) {
+ return;
+ }
+
+ switch (type) {
+ case mozIStorageValueArray::VALUE_TYPE_INTEGER:
+ case mozIStorageValueArray::VALUE_TYPE_FLOAT: {
+ double dval;
+ aRv = mStatement->GetDouble(idx, &dval);
+ if (aRv.Failed()) {
+ return;
+ }
+ aResult.set(::JS_NumberValue(dval));
+ break;
+ }
+ case mozIStorageValueArray::VALUE_TYPE_TEXT: {
+ uint32_t bytes;
+ const char16_t* sval = reinterpret_cast<const char16_t*>(
+ static_cast<mozIStorageStatement*>(mStatement)
+ ->AsSharedWString(idx, &bytes));
+ JSString* str =
+ ::JS_NewUCStringCopyN(aCx, sval, bytes / sizeof(char16_t));
+ if (!str) {
+ aRv.Throw(NS_ERROR_UNEXPECTED);
+ return;
+ }
+ aResult.setString(str);
+ break;
+ }
+ case mozIStorageValueArray::VALUE_TYPE_BLOB: {
+ uint32_t length;
+ const uint8_t* blob = static_cast<mozIStorageStatement*>(mStatement)
+ ->AsSharedBlob(idx, &length);
+ JS::Rooted<JSObject*> obj(aCx, JS::NewArrayObject(aCx, length));
+ if (!obj) {
+ aRv.Throw(NS_ERROR_UNEXPECTED);
+ return;
+ }
+ aResult.setObject(*obj);
+
+ // Copy the blob over to the JS array.
+ for (uint32_t i = 0; i < length; i++) {
+ if (!::JS_DefineElement(aCx, obj, i, blob[i], JSPROP_ENUMERATE)) {
+ aRv.Throw(NS_ERROR_UNEXPECTED);
+ return;
+ }
+ }
+ break;
+ }
+ case mozIStorageValueArray::VALUE_TYPE_NULL:
+ aResult.setNull();
+ break;
+ default:
+ NS_ERROR("unknown column type returned, what's going on?");
+ break;
+ }
+ aFound = true;
+}
+
+void StatementRow::GetSupportedNames(nsTArray<nsString>& aNames) {
+ if (!mStatement) {
+ return;
+ }
+
+ uint32_t columnCount;
+ nsresult rv = mStatement->GetColumnCount(&columnCount);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return;
+ }
+
+ for (uint32_t i = 0; i < columnCount; i++) {
+ nsAutoCString name;
+ nsresult rv = mStatement->GetColumnName(i, name);
+ if (NS_WARN_IF(NS_FAILED(rv))) {
+ return;
+ }
+ aNames.AppendElement(NS_ConvertUTF8toUTF16(name));
+ }
+}
+
+} // namespace storage
+} // namespace mozilla